X-ray diffraction
1.4Å resolution

Crystal structure of the Q108K:K40L mutant of human Cellular Retinol Binding ProteinII in complex with All-trans-Retinal after 24 hour incubation at 1.4 Angstrom Resolution


Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Retinol-binding protein 2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 133 amino acids
Theoretical weight: 15.58 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P50120 (Residues: 2-134; Coverage: 99%)
Gene names: CRBP2, RBP2
Sequence domains: Lipocalin / cytosolic fatty-acid binding protein family
Structure domains: Lipocalin

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-G
Spacegroup: P1
Unit cell:
a: 29.479Å b: 36.57Å c: 64.093Å
α: 86.54° β: 86.6° γ: 64.83°
R R work R free
0.209 0.207 0.238
Expression system: Escherichia coli